A key that fits into the cylinder that does not work with the lock.
Marks security door locks.
It comes with the marks mortise lock body 90a which is compatible with the marks usa uni lock ornamental iron 21ac marks usa uni lock ornamental iron 9215ac marks usa ornamental iron 9225ac also with the marks usa metro mortise 114 series and the marks usa metro mortise lock 91a these last two are apartment s mortise lock sets.
Usually ships within 6 to 10 days.
Add security to your entry door with the marks usa polished brass knob with double cylinder deadbolt.
The key can be installed above or below the handle on outswing security doors.
Navfac pseag us army dla land and maritime cia dni gsa and cnic.
62 reviews of himco fence gates and security products denis came out and listened to what we wanted.
After you loosen set screws on faceplate the cylinder can be unscrewed with.
When the lock is inverted it changes the locking function.
Marks locks doesn t just specialize in one style of lock but rather everything from cylindrical locks tubular locksets deadbolts and even custom designed locks.
The lockset features a polished brass finish for durability and functions with 2 mortise cylinders which throw the deadbolt or open the lock.
They came up with a pleasing design.
All of this paired with marks usa s amazing warranty make marks locks the winning brand for any project you have.
New key on old cylinder or old key on new cylinder 2.
Marks lock 21 brass series unilock 21ac mortise lock for security door and storm door right handed 4 0 out of 5 stars 3.
Marks key below security doors locks.
Marks ornamental iron security storm door parts.
The dod lock program is designated as the dod technical authority for locks safes vaults seals and containers used to protect national security information nsi and arms ammunitions and explosives aa e.
Other contractors wanted to build us that gate that they wanted and not the simple gate that we wanted.
The dod lock program is sponsored by the following agencies.
Hardware is included for easy installation.
Removing marks mortise cylinder that screws into door lock.
The marks usa 22ac mortise lock is an original standard mortise lock used for security doors as well as for storm door and sometimes on screen doors.
Marks usa s custom lockset division is about problem solving.
Interior and exterior doors.
It was built quickly.
Putting key 1 2 way into cylinder and turning.
In addition the design supports a corresponding configuration on the key blank called a security wave shown below that supports prevention of unauthorized duplication of keys.
Fits 1 3 8 1 3 4 in.
Marks usa patented hi security cylinders offer a secondary mechanical locking mechanism that creates resistance to bump and picking attacks.